Troubleshooting - DAB ACTIVE SYSTEM Installationsanweisung Und Wartung

11. TROUBLESHOOTING

Fault
The pump does not start.
The pump does not stop.
The pump stops during operation.
The pump starts when there is no
request for water.
Changing the electronic card (Fig.4)
The operations, described below, for changing the electronic card must be carried out exclusively by specialised, qualified personnel:
− Reduce the system pressure (it is recommended to close the valve of the system, located for this purpose on delivery, near the pump ).
− Disconnect the electric connectors of the card.
− Unscrew the 4 screws of the card, keeping it pressed.
− Turn the card towards the outside.
− Pull the card upwards, keeping it tilted.
− Pay attention to the OR of the pressure probe!!!
(pressure probe: card connecting tube with a hydraulic body )
−
ENGLISH
Check (possible causes)
− Insufficient water.
− Overheating due to blocking of the pump.
− Voltage too low or too high.
− No electric power supply.
− No water consumption.
− The pump is in alarm status.
− The existing pipe has a leak or is faulty.
− The check valve is blocked.
− Dry running.
− Overheating due to:
High environment temperature
•
(> 45°C).
Motor overload.
•
Blockage of the pump/motor.
•
− Voltaggio troppo basso.
− Faulty check valve or leaks from the existing
pipe.
Remedies
Check the suction pipe.
Contact the pump supplier.
Check the voltage of the power supply
Connect to the power mains.
Turn on a tap. Check that the height between
the top point of the delivery pipe and the pump is
not higher than the setting.
On the control panel, check the regulation of the
start pressure.
The pump resets automatically with self-starts.
It is possible to reset the pump by feeding it
again, disconnecting the voltage for a few
seconds.
Repair the pipe.
Dismantle the system and clean the valve.
Check the suction pipe.
Contact the pump supplier.
Controllare l'alimentazione elettrica.
Clean the valve or replace it with a new one.
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